Function-oriented synthesis of Imidazo[1,2-a]pyrazine and Imidazo[1,2-b]pyridazine derivatives as potent PI3K/mTOR dual inhibitors
作者:Chuchu Li、Yuqiao Han、Zhengyang Wang、Yanan Yu、Chen Wang、Ziwei Ren、Yanzhi Guo、Tong Zhu、XuWen Li、Suzhen Dong、Mingliang Ma
DOI:10.1016/j.ejmech.2022.115030
日期:2023.2
signal transduction pathway in human malignancies, which has been a hot target for anti-tumoral drug discovery. Based on our previous research, a function-oriented synthesis (FOS) of imidazo[1,2-a]pyrazines and imidazo[1,2-b]pyridazines was conducted, and their anticancer activities in vitro and in vivo were evaluated. Among them, compound 42 exhibited excellent dual PI3K/mTOR inhibitory activity,
PI3K-Akt-mTOR信号通路是人类恶性肿瘤中高度频繁激活的信号转导通路,一直是抗肿瘤药物发现的热门靶点。基于我们前期的研究,进行了咪唑并[1,2- a ]吡嗪和咪唑并[1,2- b ]哒嗪的功能导向合成(FOS),并评估了它们的体外和体内抗癌活性。其中,化合物42表现出优异的PI3K/mTOR双重抑制活性,对PI3Kα和mTOR的IC 50值分别为0.06 nM和3.12 nM,远优于我们之前报道的化合物15a。此外,化合物42表现出显着的体外和体内抗肿瘤活性、良好的激酶选择性、低肝毒性、适度的血浆清除率和可接受的口服生物利用度,是一种有前途的PI3K/mTOR靶向抗癌药物候选物。